package com.fzy.hot.ListNode;

public class Test04 {

    public ListNode Merge(ListNode list1,ListNode list2) {

        if(list1 == null){
            return list2;
        }
        if(list2 == null){
            return list1;
        }

        ListNode dummy = new ListNode(0);
        ListNode cur = dummy;

        while (list1 != null && list2 != null){
            if(list1.val >= list2.val){
                cur.next = list2;
                list2 = list2.next;
            }else {
                cur.next = list1;
                list1 = list1.next;
            }
            cur = cur.next;
        }
        if(list1 == null){
            cur.next = list2;
        }else {
            cur.next = list1;
        }
        return dummy.next;
    }

}
